###############################################################################
# Makefile for the project APRA_RFC_0626
###############################################################################

## General Flags
PROJECT = APRA_RFC_0626
MCU = atmega2560
TARGET = APRA_RFC_0626.elf
CC = avr-gcc.exe

## Options common to compile, link and assembly rules
COMMON = -mmcu=$(MCU)

## Compile options common for all C compilation units.
CFLAGS = $(COMMON)
CFLAGS += -Wall -gdwarf-2 -std=gnu99      -DF_CPU=14745600  -O0 -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
CFLAGS += -MD -MP -MT $(*F).o -MF dep/$(@F).d 

## Assembly specific flags
ASMFLAGS = $(COMMON)
ASMFLAGS += $(CFLAGS)
ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2

## Linker flags
LDFLAGS = $(COMMON)
LDFLAGS += -WI,-u,vfprintf -Wl,-Map=APRA_RFC_0626.map


## Intel Hex file production flags
HEX_FLASH_FLAGS = -R .eeprom

HEX_EEPROM_FLAGS = -j .eeprom
HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load"
HEX_EEPROM_FLAGS += --change-section-lma .eeprom=0 --no-change-warnings


## Libraries
LIBS = -lm -lprintf_flt 

## Objects that must be built in order to link
OBJECTS = APRA_RFC_Main.o Serial_TxRx.o SPC_to_UDCHPA.o UDCHPA_to_SPC.o Interrupt.o CRC_8.o SPDT.o POBIT_IBIT.o CheckSum.o 

## Objects explicitly added by the user
LINKONLYOBJECTS = 

## Build
all: $(TARGET) APRA_RFC_0626.hex APRA_RFC_0626.eep APRA_RFC_0626.lss size

## Compile
APRA_RFC_Main.o: ../APRA_RFC_Main.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

Serial_TxRx.o: ../Serial_TxRx.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

SPC_to_UDCHPA.o: ../SPC_to_UDCHPA.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

UDCHPA_to_SPC.o: ../UDCHPA_to_SPC.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

Interrupt.o: ../Interrupt.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

CRC_8.o: ../CRC_8.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

SPDT.o: ../SPDT.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

POBIT_IBIT.o: ../POBIT_IBIT.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

CheckSum.o: ../CheckSum.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

##Link
$(TARGET): $(OBJECTS)
	 $(CC) $(LDFLAGS) $(OBJECTS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) -o $(TARGET)

%.hex: $(TARGET)
	avr-objcopy -O ihex $(HEX_FLASH_FLAGS)  $< $@

%.eep: $(TARGET)
	-avr-objcopy $(HEX_EEPROM_FLAGS) -O ihex $< $@ || exit 0

%.lss: $(TARGET)
	avr-objdump -h -S $< > $@

size: ${TARGET}
	@echo
	@avr-size -C --mcu=${MCU} ${TARGET}

## Clean target
.PHONY: clean
clean:
	-rm -rf $(OBJECTS) APRA_RFC_0626.elf dep/* APRA_RFC_0626.hex APRA_RFC_0626.eep APRA_RFC_0626.lss APRA_RFC_0626.map


## Other dependencies
-include $(shell mkdir dep 2>/dev/null) $(wildcard dep/*)

